package org.example.system.controller;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.metadata.IPage;
import lombok.extern.slf4j.Slf4j;
import org.example.system.entity.Post;
import org.example.system.entity.User;
import org.example.system.service.PostService;
import org.example.system.service.UserService;
import org.example.utils.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

/**
 * 帖子控制层
 */
@RestController
@Slf4j
@RequestMapping("/admin/post")
public class PostController {
    @Autowired
    private PostService postService;
    @Autowired
    private UserService userService;

    /**
     * 按条件分页查询
     * 影响条件有标题，发帖人，审核状态
     * @param post
     * @return
     */
    @GetMapping("/list")
    public R list(Post post){
        IPage<Post> page = postService.selectPage(post);
        log.info("------------ PostController | list | selectPage | return : {} ", JSON.toJSONString(page));
        return R.ok(page);
    }

    /**
     * 添加帖子
     * @param post
     * @return
     */
    @PostMapping("/add")
    public R add(@RequestBody Post post){
        log.info("--------- PostController | add | input : {}", JSON.toJSON(post));
        int row = postService.add(post);
        if(row <= 0){
            return  R.fail("添加失败");
        }
        User user = userService.getOne(post.getUserId());
        user.setId(post.getUserId());
        user.setSend(user.getSend() + 1);
        userService.update(user);
        return R.ok("添加成功");
    }

    /**
     * 修改
     * @param post
     * @return
     */
    @PutMapping("/update")
    public R update(@RequestBody Post post){
        log.info("--------- PostController | update | input : {}", JSON.toJSON(post));
        if(null == post.getId() || post.getId() <= 0){
            return R.fail("参数错误:ID未传入");
        }
        int row = postService.update(post);
        if(row <= 0){
            return  R.fail("修改失败");
        }
        return R.ok("修改成功");
    }

    /**
     * 删除
     * @param ids
     * @return
     */
    @DeleteMapping( "/{ids}")
    public R delete(@PathVariable("ids") Long[] ids){
        log.info("--------- PostController | delete | input : {}", JSON.toJSON(ids));
        int row = postService.deleteBatch(ids);
        if(row <= 0){
            return  R.fail("删除失败");
        }
        return R.ok("删除成功");
    }

    /**
     * 根据id查询用户数据
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R getInfo(@PathVariable("id") Long id){
        log.info("--------- PostController | getInfo | input : {}", JSON.toJSON(id));
        return R.ok(postService.getOne(id));
    }

    /**
     * 根据用户ID查询已经发布的帖子数量
     * @param userId
     * @return
     */
    @GetMapping("/selectPostCount")
    public R getPostCount(Long userId){
        return R.ok(postService.getPostCount(userId));
    }
}
